Synthesis of Na+-montmorillonite/amphiphilic polyurethane nanocomposite via bulk and coalescence emulsion polymerization
โ Scribed by Ju-Young Kim; Woo-Chul Jung; Kang-Yeol Park; Kyung-Do Suh
- Publisher
- John Wiley and Sons
- Year
- 2003
- Tongue
- English
- Weight
- 276 KB
- Volume
- 89
- Category
- Article
- ISSN
- 0021-8995
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Amphiphilic urethane acrylate anionomer (UAA) chains exhibited very different solution properties in various solvents, such as water, dioxane, and dimethyl sulfoxide (DMSO). UAA chains showed a polyelectrolyte effect in a highly polar solvent, DMSO, but gave constant viscosity at various concentrati
pH-sensitive amphiphilic networks are synthesized from urethane acrylate anionomer (UAA) precursor chains. The microstructures of these networks are very sensitive to the nature of and the amount of solvent used during crosslinking. Whereas dioxane forms relatively homogenous solution, water prefere